Powder-atomizer



(No Model.)

A. C. BANCROFT. POWDER AToMIzBR.

No. 553,701. Paltented Jan. 28, 1896.

Inventari- Arthur'flanc'nfi wT/lltnesmstdig/sw- UNITED STATES PATENTOFFICE.

ARTHUR C. BANCROFT, OF HARTFORD, CONNECTICUT.

POWDER-ATOM IZER.

SPECIFICATION forming part of Letters Patent No. 553,701, dated January28, 1896.

Application filed April 16, 1895. Serial No. 545,877. (No model.)

To ali whom it may concern.-

Be it known that I, ARTHUR C. BANCROFT,

,a citizen of the United States, residing at Hartford, in the county ofHartford and State of Connecticut, have invented certain new and usefulImprovements in Powder-Atomizers, of which the following is aspecification.

This invention relates to atomizers of that class known as powderatomizers and the object of the invention is to provide an atomizer forthe Spraying of powder by means of an air-blast and to so agitate thepowder by means of the same air-blast before the powder is blown fromits receptacle that it will be blown forth in a very fine spray ratherthan in a compact stream.

In the drawings accompanyingl and forming part of this specification,Figure 1 is a side elevation of this improved powder-atomizer; and Fig.2 is a longitudinal section of the powder-receptacle in a line ay a,Fig. 1, a part thereof being in full lines.

Similar characters indicate corresponding parts in both the figures.

The improved powder-atomizer, in the preferred form thereof herein shownand described, consists of an elastic bulb 5 of any suitable material,preferably of rubber, as herein shown, having attached thereto, by anysuitable means, a flexible tube 6, likewise of any suitable material,but preferably, and as herein shown, of soft rubber. To the free end 7of this flexible tube is connected an agitator-tube 8 of any suitablematerial. (Shown herein constructed of glass.) The agitatortube S isconnected to the tube 6 by any suitable means, and adjacent the end ofsaid tube is provided with two parallel projecting circular flanges 9,forming a packing-seat 10 between said fianges. The other end of saidtube Sis provided with a tapering and upwardly and backwardly turnednozzle 11. The agitator-tube 8 is adapted to fit within apowder-receptacle 15 of any suitable size and constructed of anysuitable material; but preferably, as herein shown, .constructed ofglass and of tubular form.

The receptacle is provided with a tapering nozzle 12 at one end and witha neck 13 at its other end. Into this neck portion 13 the agitator-tubeS is adapted to be inserted and is held tightly therein by means ofsuitable packing 14 interposed between the Circular flanges 9.

In the use of this device the receptacle 15 is filled a portion of itslength with any suitable powder; and when the bulb is grasped theair-blast, moving through the agitatortube 8, is blown in a backwarddirection in said receptacle, thereby agitating the outer surface of thepowder in the4 receptacle and whirling and blowing the same from saidreceptacle and through the nozvzle thereof in a very fine spray.

In devices of this character without the agitator-tube, as hereinconstructed, the powder is blown forth in a compact stream. rather thanin a spray.

I claim as my invention- A powder atomizer, consisting of apowderreceptacle provided with a discharge-nozzle and with a neck; anagitator-tube therein having a taperin g, backWardly-turned nozzle, andhaving parallel fianges adapted to receive a packing between them,Whereby said tube is adapted to fit tightly within said neck; and a bulbconnected to said agitator-tube, substantially as described.

ARTHUR C. BANCROFT.

IVitnesses:

FREJ). J. DOLE, R. W. PITTMAN.

